Sony XCEI50 User Manual (XCES_Series_User_Guide) - Page 24
TIMING CHART OF EXTERNAL TRIGGER SHUTTER - MODE 1, For setting the shutter speed using TRG width
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XC-E series TIMING CHART OF EXTERNAL TRIGGER SHUTTER - MODE 1 (NON-RESET MODE) For setting the shutter speed using TRG width HD/VD input External trigger shutter operation *3 Normal operation *1 Trigger *1 External HD 1 *2 Exposure time Te 2 *2 Exposure time Te *3 Trigger *1 External VD (Continuous VD) EXT-VD *4 *4 T : T = Under -65 µs to +10 µs T : T = Under -65 us to +10 µs +10 µs -65 µs Video out 1 2 *5 WEN 250H (XC-ES50/ES30, XC-EI50/EI30) 293H (XC-ES50CE/ES30CE, XC-EI50CE/EI30CE) TRG EXT-VD EXT-VD 65 µs 10 µs Mode transition state External input inhibition area External trigger (50 ms) shutter operation 3 *2 Exposure time Te 10 µs or more 3 • Continuous HD/VD input *1: This is a signal input from the outside. Be sure to input both HD and VD signals in this case. *2: Exposure time Te Te = Trigger width + 97 µs (XC-ES50/ES30, XC-EI50/EI30), Te = Trigger width + 120 µs (XC-ES50CE/ES30CE, XC-EI50CE/EI30CE) (The trigger width should be between 2 µs and 1/4 s) *3: The normal operation state is engaged when the trigger high period exceeds 1/3sec. The external trigger shutter operation is engaged when the trigger pulse goes "low". In this case, the area between the falling edge of a trigger pulse and the subsequent 50 ms period is an external trigger input inhibition area. During the trigger inhibit period, an input trigger may be missed. *4: In all cases the WEN signal indicates when a valid image is available. Normally, an image is output after the external falling edge. If the falling edge of the trigger is very close to the falling edge of the external VD, there may be a delay of 1VD in the output. The period of uncertainty is when the falling edge of VD is between 65 µs before or 10 µs after the falling edge of the trigger. *5: When the external trigger shutter mode changes into the normal operation mode, one WEN signal is output. Note : An image is superimposed when the next exposure ends before the previous image is output. 22